A proof-of-concept script that shows android notifications on linux.

android-notif.sh

#!/bin/bash

# show android notifications on linux.
# it updates duckdns ddns and portforwards via upnp.
# requires a duckdns account, NetworkManager, miniupnpc and an2linux.

# config
duckdns_token=  # put your duckdns token here
local_ddns=     # local ddns name
public_ddns=    # public ddns name
port=46352      # an2linux's port which will be port-forwarded

main() {
    if [ -n "$local_ddns" ]; then
        event | while IFS= read -r line; do update $local_ddns $(getlocalip); done &
    fi
    if [ -n "$public_ddns" ]; then
        event    | while IFS= read -r line; do update $public_ddns; upnp; done &
        interval | while IFS= read -r line; do update $public_ddns; upnp; done &
    fi
    an2linuxserver.py <&- >/dev/null 2>&1
}

interval() {
    while :; do echo; sleep 10m; done
}

event() {
    nmcli monitor | egrep --line-buffered "is now 'full'|is now the primary"
}

update() {
    echo Updating $1...
    msg=$(curl -sSL "https://duckdns.org/update?domains=${1}&token=${duckdns_token}${2:+&ip=$2}")
    [ "$msg" = OK ] && echo Updated $1. || echo Failed Updating $1.
}

upnp() {
    upnpc -e duckdns -a $(getlocalip) $port $port TCP >/dev/null 2>&1 &&
        echo Forwarded Port $port.
}

getlocalip() {
    ip route get 1 | grep -Po 'src\s+\K\S+'
}

trap 'pkill -P $$' EXIT
main "$@"